28393164072

Names of 28393164072

• Cardinal: 28393164072 can be written as Twenty-eight billion, three hundred ninety-three million, one hundred sixty-four thousand and seventy-two.

Scientific notation

• Scientific notation: 2.8393164072 × 10¹⁰

Factors of 28393164072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6828

Divisors of 28393164072

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 78 84 91 98 104 117 126 147 156 168 169 182 196 234 252 273 294 312 338 343 364 392 441 468 504 507 546 588 637 676 686 728 819 882 936 1014 1029 1092 1176 1183 1274 1352 1372 1521 1638 1764 1911 2028 2058 2184 2366 2548 2744 3042 3087 3276 3528 3549 3822 4056 4116 4459 4732 5096 5733 6084 6174 6552 6803 7098 7644 8232 8281 8918 9464 10647 11466 12168 12348 13377 13606 14196 15288 16562 17836 20409 21294 22932 24696 24843 26754 27212 28392 33124 35672 40131 40818 42588 45864 47621 49686 53508 54424 57967 61227 66248 74529 80262 81636 85176 88439 95242 99372 107016 115934 122454 142863 149058 160524 163272 173901 176878 190484 198744 231868 244908 265317 285726 298116 321048 333347 347802 353756 380968 428589 463736 489816 521703 530634 571452 596232 619073 666694 695604 707512 795951 857178 1000041 1043406 1061268 1142904 1149707 1238146 1333388 1391208 1591902 1714356 1857219 2000082 2086812 2122536 2299414 2333429 2476292 2666776 3000123 3183804 3428712 3449121 3714438 4000164 4173624 4333511 4598828 4666858 4952584 5571657 6000246 6367608 6898242 7000287 7428876 8000328 8047949 8667022 9197656 9333716 10347363 11143314 12000492 13000533 13796484 14000574 14857752 16095898 17334044 18667432 20694726 21000861 22286628 24000984 24143847 26001066 27592968 28001148 30334577 32191796 34668088 39001599 41389452 42001722 44573256 48287694 52002132 56002296 56335643 60669154 64383592 72431541 78003198 82778904 84003444 91003731 96575388 104004264 112671286 121338308 144863082 156006396 168006888 169006929 182007462 193150776 225342572 242676616 273011193 289726164 312012792 338013858 364014924 394349501 450685144 507020787 546022386 579452328 676027716 728029848 788699002 1014041574 1092044772 1183048503 1352055432 1577398004 2028083148 2184089544 2366097006 3154796008 3549145509 4056166296 4732194012 7098291018 9464388024 14196582036 28393164072
• Sum of all divisors σ(n): 97120296000
• Sum of proper divisors (its aliquot sum) s(n): 68727131928
• 28393164072 is an abundant number, because the sum of its proper divisors (68727131928) is greater than itself. Its abundance is 40333967856

Bases of 28393164072

• Binary: 11010011100010111010100110100101000₂
• Hexadecimal: 0x69C5D4D28
• Base-36: D1KK1M0

Squares and roots of 28393164072

• 28393164072 squared (28393164072²) is 806171766019511621184
• 28393164072 cubed (28393164072³) is 22889767222805987813588022901248
• The square root of 28393164072 is 168502.7123579915
• The cube root of 28393164072 is 3050.7357920949

Scales and comparisons

• 28,393,164,072 seconds is equal to 902 years, 42 weeks, 2 days, 14 hours, 1 minute, 12 seconds.
• To count from 1 to 28,393,164,072 would take you about one thousand, eight hundred five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28393164072 cubic inches would be around 254.2 feet tall.

Recreational maths with 28393164072

• 28393164072 backwards is 27046139382
• The number of decimal digits it has is: 11
• The sum of 28393164072's digits is 45
• More coming soon!